<template>
  <view>
    <!-- 轮播图的区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
          <!-- 循环渲染轮播图的 item 项 -->
          <swiper-item v-for="(item, i) in swiperList" :key="i">
              <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
                <!-- 动态绑定图片的 src 属性 -->
                <image :src="item.image_src"></image>
              </navigator>
          </swiper-item>
        </swiper>
        
        <!-- 分类导航区域 -->
        <view class="nav-list">
          <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
            <image :src="item.image_src" class="nav-img"></image>
          </view>
        </view>
        
   <!-- 楼层区域-->
       <view class="floor-list">
         <view class="floor-item" v-for="(item,i) in floorList" :key="i">
           <!-- 楼层标题-->
           <image class="floor-title" :src="item.floor_title.image_src"></image>
           <!-- 楼层图片-->
           <view class="floor-img-box">
             <!-- 左侧大图片的盒子-->
             <navigator class="left-img-box" :url="item.product_list[0].url">
               <image :src="item.product_list[0].image_src":style="{width:item.product_list[0].image_width+'rpx'}" mode="widthFix"></image>
             </navigator>
             
             <!-- 右侧大图片的盒子-->
             <view class="right-img-box">
               <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
                 <image :src="item2.image_src" :style="{width:item2.image_width+'rpx'}" mode="widthFix"></image>
               </navigator>
             </view>
           </view>
         </view> 
       </view>
   	</view>
    
   </template>

<script>
  export default {
    data() {
      return {
        // 1. 轮播图的数据列表，默认为空数组
        swiperList: [],
        navList: [],
        // 楼层的数据
        floorList: []
      };
    },
    onLoad() {
      // 2. 在小程序页面刚加载的时候，调用获取轮播图数据的方法
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods: {
      // 3. 获取轮播图数据的方法
      async getSwiperList() {
        // 3.1 发起请求
        const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // 3.2 请求失败
        if (res.meta.status !== 200) return uni.$showMsg()
        // 3.3 请求成功，为 data 中的数据赋值
        this.swiperList = res.message
      },
      async getNavList() {
         const {data: res} = await uni.$http.get('/api/public/v1/home/catitems')
         if(res.meta.status !== 200) return uni.$showMsg()
         this.navList = res.message
      },
      navClickHandler(item) {
        if(item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      async getFloorList() {
            const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
            if (res.meta.status !== 200) return uni.$showMsg()
            res.message.forEach(floor => {
              floor.product_list.forEach(prod => {
                prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
              })
            })
            this.floorList = res.message
          },
    },
  }
</script>

<style lang="scss">
swiper {
 height: 330rpx;

 .swiper-item,
 image {
   width: 100%;
   height: 100%;
 }
}

 .nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
   
   .nav-img {
  width:128rpx ;
  height: 138rpx;
   }
 }
 
 .floor-title{
   width: 100%;
   height: 60rpx ;
   display: flex;
 }
 .right-img-box {
   display: flex;
   flex-wrap: wrap;
   justify-content: space-around;
 }
 .floor-img-box {
   display: flex;
   padding-left: 10rpx;
 }
</style>
